ITU-R SA 509-3-2013 Space research earth station and radio astronomy reference antenna radiation pattern for use in interference calculations including coordination procedures for .pdf
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1、 Recommendation ITU-R SA.509-3(12/2013)Space research earth station and radio astronomy reference antenna radiation pattern for use in interference calculations, including coordination procedures, for frequencies less than 30 GHzSA SeriesSpace applications and meteorologyii Rec. ITU-R SA.509-3 Forew
2、ord The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum by all radiocommunication services, including satellite services, and carry out studies without limit of frequency range on the basis of which Recommendati
3、ons are adopted. The regulatory and policy functions of the Radiocommunication Sector are performed by World and Regional Radiocommunication Conferences and Radiocommunication Assemblies supported by Study Groups. Policy on Intellectual Property Right (IPR) ITU-R policy on IPR is described in the Co
4、mmon Patent Policy for ITU-T/ITU-R/ISO/IEC referenced in Annex 1 of Resolution ITU-R 1. Forms to be used for the submission of patent statements and licensing declarations by patent holders are available from http:/www.itu.int/ITU-R/go/patents/en where the Guidelines for Implementation of the Common
5、 Patent Policy for ITU-T/ITU-R/ISO/IEC and the ITU-R patent information database can also be found. Series of ITU-R Recommendations (Also available online at http:/www.itu.int/publ/R-REC/en) Series Title BO Satellite delivery BR Recording for production, archival and play-out; film for television BS
6、 Broadcasting service (sound) BT Broadcasting service (television) F Fixed service M Mobile, radiodetermination, amateur and related satellite services P Radiowave propagation RA Radio astronomy RS Remote sensing systems S Fixed-satellite service SA Space applications and meteorology SF Frequency sh
7、aring and coordination between fixed-satellite and fixed service systems SM Spectrum management SNG Satellite news gathering TF Time signals and frequency standards emissions V Vocabulary and related subjects Note: This ITU-R Recommendation was approved in English under the procedure detailed in Res
8、olution ITU-R 1. Electronic Publication Geneva, 2014 ITU 2014 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without written permission of ITU. Rec. ITU-R SA.509-3 1 RECOMMENDATION ITU-R SA.509-3 Space research earth station and radio astronomy reference
9、 antenna radiation pattern for use in interference calculations, including coordination procedures, for frequencies less than 30 GHz (1978-1990-1998-2013) Scope This Recommendation gives reference antenna radiation patterns for space research and radio astronomy services for calculating interference
10、 from a single source or from multiple sources for frequencies less than 30 GHz. The ITU Radiocommunication Assembly, considering a) that the application of coordination procedures between space research earth stations or radio astronomy observatories and stations of other services is dependent upon
11、 specific antenna radiation patterns; b) that where this information does not exist, it may be desirable to use a reference antenna radiation pattern which represents the side-lobe gain levels that are not expected to be exceeded at most off-axis angles in the majority of antennas used in the servic
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